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Complex Sinusoids

February 2, 2019 by 3200 Creative

Complex Sinusoids

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  1. Question 1 of 4
    1. Question

    Find the amplitude of the complex sinusoid x(t) =3e^{j(10\pi t + \pi/2)}.

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  2. Question 2 of 4
    2. Question

    Find the frequency in rads/sec of the complex sinusoid x(t) =3e^{j(10\pi t + \pi/2)}.

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  3. Question 3 of 4
    3. Question

    A complex sinusoid is given by x(t) =3e^{j(10\pi t + \pi/2)}.  Select all the correct statements.

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  4. Question 4 of 4
    4. Question

    Suppose a signal is a sum of complex sinusoids  x[n] = -2e^{j(\pi/4)n} +  2e^{j(-\pi/4)n} . Which of the following expressions are equivalent to  x[n] ?

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